Tri-glide adjustable buckle



FIG. 1 is a perspective view of a tri-glide adjustable buckle showing my new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a right side view thereof; and,

FIG. 4 is a top view.

The front and back views and top and bottom views are mirror images. 

CLAIM The ornamental design for a tri-glide adjustable buckle, as shown and described. 